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Complete the following table :Sr. No.Straight chain of carbon atomsMolecular formulaName1.CCH4............2.C–C............Ethane3.C–C–CC3H8............4.C–C–C–C............Butane5.C–C–C–C–CC5H12............6.C–C–C–C–C–C............Hexane7.C–C–C–C–C–…

Q.4 (ii) Complete the following table :

Sr. No.Straight chain of carbon atomsMolecular formulaName
1.CCH4............
2.C–C............Ethane
3.C–C–CC3H8............
4.C–C–C–C............Butane
5.C–C–C–C–CC5H12............
6.C–C–C–C–C–C............Hexane
7.C–C–C–C–C–C–C............Heptane
8.C–C–C–C–C–C–C–CC8H18............
9.C–C–C–C–C–C–C–C–C............Nonane
10.C–C–C–C–C–C–C–C–C–C............Decane

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Best answer

Answer: 1 Methane; 2 C2H6; 3 Propane; 4 C4H10; 5 Pentane; 6 C6H14; 7 C7H16; 8 Octane; 9 C9H20; 10 C10H22.

The compounds in the table are the straight-chain alkanes, CnH2n+2. Each time one more carbon atom is added, two more hydrogen atoms are needed.

Sr. No.Molecular formulaName
1.CH4Methane
2.C2H6Ethane
3.C3H8Propane
4.C4H10Butane
5.C5H12Pentane
6.C6H14Hexane
7.C7H16Heptane
8.C8H18Octane
9.C9H20Nonane
10.C10H22Decane
Doubtly AI · 25 Oct 2026 AI-verified · Oct 2026 Report
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